Blar i Bergen Open Research Archive på forfatter "Skjaerven, Rolv"
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Can 'early programming' be partly explained by smoking? Results from a prospective, population-based cohort study
Kvalvik, Liv Grimstvedt; Skjaerven, Rolv; Klungsøyr, Kari; Vollset, Stein Emil; Haug, Kjell (Peer reviewed; Journal article, 2015-01)Background: Numerous studies have focused the association between low birthweight and later disease. Our objective was to study the association between birthweight and later adult smoking and thereby explore a possible ... -
Cesarean delivery in Norwegian nulliparous women with singleton cephalic term births, 1967–2020: a population-based study
Sima, Yeneabeba; Skjaerven, Rolv; Kvalvik, Liv Grimstvedt; Morken, Nils-Halvdan; Klungsøyr, Kari; Sørbye, Linn Marie (Journal article; Peer reviewed, 2022)Background Nulliparous women contribute to increasing cesarean delivery in the Nordic countries and advanced maternal age has been suggested as responsible for rise in cesarean delivery rates in many developed countries. ... -
Change in paternity, risk of placental abruption and confounding by birth interval: A population-based prospective cohort study in Norway, 1967-2009
Ananth, Cande V.; Skjaerven, Rolv; Klungsøyr, Kari (Peer reviewed; Journal article, 2015-02-10)Objectives: We examined abruption risk in relation to change in paternity, and evaluated if birth interval confounds this association. Setting: Population-based study of singleton births in Norway between 1967 and 2009. ... -
Differences in perinatal and infant mortality in high-income countries: Artifacts of birth registration or evidence of true differences?
Deb-Rinker, Paromita; León, Juan Andrés; Gilbert, Nicolas L.; Rouleau, Jocelyn; Andersen, Anne-Marie Nybo; Bjarnadóttir, Ragnheiður I.; Gissler, Mika; Mortensen, Laust H.; Skjaerven, Rolv; Vollset, Stein Emil; Zhang, Xun; Shah, Prakesh S.; Sauve, Reg S.; Kramer, Michael S.; Joseph, K.S. (Peer reviewed; Journal article, 2015-09-04)Background: Variation in birth registration criteria may compromise international comparisons of fetal and infant mortality. We examined the effect of birth registration practices on fetal and infant mortality rates to ... -
Elective cesarean section or not? Maternal age and risk of adverse outcomes at term: a population-based registry study of low-risk primiparous women
Herstad, Lina; Klungsøyr, Kari; Skjaerven, Rolv; Tanbo, Tom Gunnar; Forsen, Lisa; Åbyholm, Thomas; Vangen, Siri (Peer reviewed; Journal article, 2016-08-17)Background Maternal age at delivery and cesarean section rates are increasing. In older women, the decision on delivery mode may be influenced by a reported increased risk of surgical interventions during labor and ... -
Exposure to Tobacco Smoke in Utero and Subsequent Plasma Lipids, ApoB, and CRP among Adult Women in the MoBa Cohort
Cupul-Uicab, Lea A; Skjaerven, Rolv; Haug, Kjell; Travlos, GS; Wilson, RE; Eggesbø, Merete Åse; Hoppin, Jane A; Whitworth, KW; Longnecker, MP (Peer reviewed; Journal article, 2012-11)Background: Recent findings suggest that maternal smoking during pregnancy may play a role in the development of metabolic alterations in offspring during childhood. However, whether such exposure increases the risk of ... -
Gestational diabetes mellitus and interpregnancy weight change: A population-based cohort study
Sørbye, Linn Marie; Skjaerven, Rolv; Klungsøyr, Kari; Morken, Nils-Halvdan (Peer reviewed; Journal article, 2017-08-01)Background: Being overweight is an important risk factor for Gestational Diabetes Mellitus (GDM), but the underlying mechanisms are not understood. Weight change between pregnancies has been suggested to be an independent ... -
In utero exposure to maternal tobacco smoke and subsequent obesity, hypertension, and gestational diabetes among women in the MoBa Cohort
Cupul-Uicab, Lea A; Skjaerven, Rolv; Haug, Kjell; Melve, Kari Klungsøyr; Engel, Stephani M; Longnecker, Matthew P (Peer reviewed; Journal article, 2012)Background: Environmental factors influencing the developmental origins of health and disease need to be identified and investigated. In utero exposure to tobacco smoke has been associated with obesity and a small increase ... -
An international contrast of rates of placental abruption: An age-period-cohort analysis
Ananth, Cande V.; Keyes, Katherine M.; Hamilton, Ava; Gissler, Mika; Wu, Chunsen; Liu, Shiliang; Luque-Fernandez, Miguel Angel; Skjaerven, Rolv; Williams, Michelle A.; Tikkanen, Minna; Cnattingius, Sven (Peer reviewed; Journal article, 2015-05-27)Background. Although rare, placental abruption is implicated in disproportionately high rates of perinatal morbidity and mortality. Understanding geographic and temporal variations may provide insights into possible amenable ... -
Lipid levels after childbirth and association with number of children: A population-based cohort study
Pirnat, Aleksandra; deRoo, Lisa; Skjaerven, Rolv; Morken, Nils-Halvdan (Peer reviewed; Journal article, 2019-10-24)Objective Low parity women are at increased risk of cardiovascular mortality. Unfavourable lipid profiles have been found in one-child mothers years before they conceive. However, it remains unclear whether unfavourable ... -
Long-term cardiovascular mortality in women with twin pregnancies by lifetime reproductive history
Basnet, Prativa; Skjaerven, Rolv; Sørbye, Linn Marie; Morken, Nils-Halvdan; Klungsøyr, Kari; Singh, Aditi; Mannseth, Janne; Harmon, Quaker E.; Kvalvik, Liv Grimstvedt (Journal article; Peer reviewed, 2022)Background: Women with one lifetime singleton pregnancy have increased risk of cardiovascular disease (CVD) mortality compared with women who continue reproduction particularly if the pregnancy had complications. Women ... -
Long-term mortality in mothers with perinatal losses and risk modification by surviving children and attained education: A population-based cohort study
Halland, Frode; Morken, Nils-Halvdan; deRoo, Lisa; Klungsøyr, Kari; Wilcox, Allen James; Skjaerven, Rolv (Peer reviewed; Journal article, 2016)Objective: To assess the association between perinatal losses and mother’s long-term mortality and modification by surviving children and attained education. Design: A population-based cohort study. Setting: Norwegian ... -
Perinatal death and exposure to dental amalgam fillings during pregnancy in the population-based MoBa cohort
Björkman, Lars; Lygre, Gunvor Bentung; Haug, Kjell; Skjaerven, Rolv (Peer reviewed; Journal article, 2018-12-07)Objectives: The aim was to gain knowledge regarding the risk of perinatal death related to exposure to dental amalgam fillings in the mother. Design: Population-based observational cohort study. Setting: The Norwegian ... -
Placental abruption and long-term maternal cardiovascular disease mortality: a population-based registry study in Norway and Sweden
deRoo, Lisa; Skjaerven, Rolv; Wilcox, Allen; Klungsøyr, Kari; Wikström, Anna-Karin; Morken, Nils-Halvdan; Cnattingius, Sven (Peer reviewed; Journal article, 2016-05)Women with preeclamptic pregnancies have increased long-term cardiovascular disease (CVD) mortality. We explored this mortality risk among women with placental abruption, another placental pathology. We used linked Medical ... -
Preconception cardiovascular risk factor differences between gestational hypertension and preeclampsia: Cohort Norway study
Egeland, Grace M.; Klungsøyr, Kari; Øyen, Nina; Tell, Grethe Seppola; Næss, Øyvind; Skjaerven, Rolv (Peer reviewed; Journal article, 2016)Preconception predictors of gestational hypertension and preeclampsia may identify opportunities for early detection and improve our understanding of the pathogenesis and life course epidemiology of these conditions. Female ... -
Preeclampsia in pregnancy and later use of antihypertensive drugs
Engeland, Anders; Bjørge, Tone; Klungsøyr, Kari; Skjaerven, Rolv; Skurtveit, Svetlana; Furu, Kari (Peer reviewed; Journal article, 2015-03-18)We explored the association between preeclampsia and later use of antihypertensive drugs in a population-based study with data from the Medical Birth Registry of Norway and the Norwegian Prescription Database. The study ... -
Sex differences in parent–offspring recurrence of attention-deficit/hyperactivity disorder
Solberg, Berit Skretting; Hegvik, Tor-Arne; Halmøy, Anne; Skjaerven, Rolv; Engeland, Anders; Haavik, Jan; Klungsøyr, Kari (Journal article; Peer reviewed, 2020)Background Attention-deficit/hyperactivity disorder (ADHD) is a highly heritable neurodevelopmental disorder sharing genetic risk factors with other common psychiatric disorders. However, intergenerational recurrence ... -
Vanishing twin syndrome among ART singletons and pregnancy outcomes
Magnus, Maria Christine; Ghaderi, Sara; Morken, Nils-Halvdan; Magnus, Per; Romundstad, Liv Bente Bergem; Skjaerven, Rolv; Wilcox, Allen J; Håberg, Siri Eldevik (Peer reviewed; Journal article, 2017-11)STUDY QUESTION: Among babies born by ART, do singleton survivors of a vanishing twin have lower birth weight than other singletons? SUMMARY ANSWER: Vanishing twin syndrome (VTS) was associated with lower birth weight among ... -
Women's prepregnancy lipid levels and number of children: a Norwegian prospective population-based cohort study
Pirnat, Aleksandra; deRoo, Lisa; Skjaerven, Rolv; Morken, Nils-Halvdan (Peer reviewed; Journal article, 2018)Objective. To study prepregnancy serum lipid levels and the association with the number of children. Design. Prospective, population-based cohort. Setting. Linked data from the Cohort of Norway and the Medical Birth Registry ...